Final answer:
The photosystems in the light-dependent reactions of photosynthesis generate ATP and NADPH, which the Calvin cycle uses to convert atmospheric carbon dioxide into glucose. The Calvin cycle cannot function without the energy carriers produced by the photosystems, demonstrating their interdependence.
Step-by-step explanation:
The relationship between the photosystems and the Calvin cycle is fundamental to the process of photosynthesis. The photosystems, namely Photosystem II (PS II) and Photosystem I (PS I), are involved in the light-dependent reactions and are located in the thylakoid membranes of chloroplasts. These photosystems capture solar energy, which excites electrons that are then passed through an electron transport chain. During this process, ATP and NADPH are produced, which are key energy carriers.
The Calvin cycle, on the other hand, is a light-independent reaction that takes place in the stroma of chloroplasts. It uses ATP and NADPH from the light-dependent reactions to convert carbon dioxide from the atmosphere into carbohydrates, such as glucose. This cycle involves various enzymes, including ribulose biphosphate carboxylase (RuBisCO), and results in the fixation of carbon into a usable organic form. The Calvin cycle depends on the products of the light-dependent reactions to drive the synthesis of glucose.
In summary, the products of the light-dependent reactions, primarily ATP and NADPH, provide the necessary energy and reducing power for the Calvin cycle to synthesize glucose from carbon dioxide, thereby illustrating the interdependency of these two stages of photosynthesis.